vlib/v/checker/tests/var_duplicate_const.vv:4:5: warning: duplicate of a const name `size`
    2 | 
    3 | fn main() {
    4 |     size := 11
      |     ~~~~
    5 |     println(main.size)
    6 | }
vlib/v/checker/tests/var_duplicate_const.vv:4:5: warning: unused variable: `size`
    2 | 
    3 | fn main() {
    4 |     size := 11
      |     ~~~~
    5 |     println(main.size)
    6 | }
